83.19 Chapter IV. Equations of the first order but not of the first degree. Exercise IV (B) at page 55

83.19.1 problem 1
83.19.2 problem 2
83.19.3 problem 3
83.19.4 problem 4
83.19.5 problem 5
83.19.6 problem 6
83.19.7 problem 7
83.19.8 problem 8
83.19.9 problem 9
83.19.10 problem 10